Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:32Z
∂r/∂φ = 2r
det| 3 6 ; 0 4 | = 12
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e^{i\pi} + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 11 4 ; 5 12 | = 112
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-φ²) dφ = √π / 2
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